{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Anatomy"], "input": "A transgenic double - reporter strategy allowed us to demonstrate definitively that tumor bone marrow - derived endothelial cells arise by transdifferentiation of marrow progenitors rather than by cell fusion ."}
{"Anatomy": ["tumor bone marrow - derived endothelial cells", "cell", "marrow progenitors"]}